Template:On this day - March 27

Antonio de Herrera y Tordesillas

• 1344 – In the south of the Iberian Peninsula, Alfonso XI enters the old town of Algeciras after a four-year siege.
• 1546 – Death of Leonor de Castro Mello y Meneses, wife of Francis Borgia and lady-in-waiting of Isabella of Portugal (b. 1512).
• 1560 – Birth of Sebastián Rodríguez Cermeño, Hispano-Portuguese navigator and explorer (d. 1602).
• 1625 – Death of Antonio de Herrera y Tordesillas, chronicler, historian and writer of the Spanish Golden Age (b. 1549).
• 1662 – Birth of Marie Louise of Orléans, Spanish Queen consort (d. 1689).
• 1572 – In Spain, the Inquisition imprisons Fray Luis de León, accused of maintaining that the Vulgate Bible contained translation errors and of translating the Song of Songs into the vernacular without license.
• 1624 – In Sucre (Real Audiencia of Charcas), the Royal and Pontifical Major University of San Francisco Xavier of Chuquisaca is founded, the first university of present-day Bolivia.
• 1721 – Spain and France sign an alliance to arrange marriages between members of the royal families of both countries.
• 1802 – France, Spain and the Batavian Republic sign the Peace of Amiens with England, by which Menorca returns to Spanish control.
• 1826 – In Spain, the Royal Decree of 27 March 1826 on industrial privileges is presented as the first of its kind, ignoring that the first Royal Privilege of Invention was granted in 1478 by Queen Isabella the Catholic to Pedro Azlor.
• 1836 – During the Texas Revolution, the president of the United Mexican States, Antonio López de Santa Anna, orders the execution of some 400 prisoners of war of the Republic of Texas.
• 1980 – In Spain, the price of silver falls alarmingly, causing panic in the market (Silver Thursday).
• 1945 – In Argentina, the Minister of War, Colonel Juan Domingo Perón, declares war on the Axis powers in the Second World War.
• 1960 – Death of Gregorio Marañón, Spanish physician, scientist, historian, writer and thinker (b. 1887).
• 1977 – 583 people die when two airplanes collide at Los Rodeos airport in Tenerife.
• 2000 – The Spanish courts admit for processing the complaint of genocide against the Maya people filed by Rigoberta Menchú against the Guatemalan military regime.
• 2021 – Death of Eugenio Mimica Barassi, Chilean writer and academic (b. 1949).
• 2022 – The War on gangs in El Salvador begins, after a wave of violence that left 88 people murdered between 25 and 27 March 2022.